Rare AIC Akabane Camera M42 Mount Macro Extension Tube Set of 3 with Genuine Case [Description] This is a set of three M42 mount macro extension tubes made by AIC (Akabane Camera Seisakusho), a Japanese optical equipment manufacturer. This is a very well-preserved vintage item, including the genuine leather case (MADE IN JAPAN) with the hexagonal AIC logo. ■Item Details • Standard: M42 mount (screw diameter approx. 42mm) • Set Contents: Ring NO. Ⅰ, NO. Ⅱ, NO. Ⅲ, Genuine Case • Manufacturer: AIC (Akabane Camera Seisakusho / later Miranda Camera) ■Condition • Appearance: Both the ring bodies and the case are in beautiful condition, showing little sign of aging. • Operation: Screwing is smooth, making it ideal for both practical use and collection. With M42 lenses such as the "Super Takumar," a representative of old lenses, you can easily enjoy macro photography (close-up photography). Instant purchase is welcome. Ships via Mercari delivery service. #M42 #M42Mount #AIC #AkabaneCamera #MacroExtensionTube #ExtensionTube #OldLens #PENTAX #SuperTakumar #FilmCamera #JAPANVINTAGE